<html>
  <head>
    <title>deck.gl ColumnLayer Example</title>

    <script src="https://unpkg.com/deck.gl@^8.0.0/dist.min.js"></script>
    <script src="https://api.tiles.mapbox.com/mapbox-gl-js/v1.4.0/mapbox-gl.js"></script>

    <style type="text/css">
      body {
        width: 100vw;
        height: 100vh;
        margin: 0;
      }
    </style>
  </head>

  <body></body>

  <script type="text/javascript">
    const {DeckGL, ColumnLayer} = deck;
    new DeckGL({
      mapStyle: 'https://basemaps.cartocdn.com/gl/dark-matter-nolabels-gl-style/style.json',
      initialViewState: {
        longitude: -122.4,
        latitude: 37.74,
        zoom: 10,
        maxZoom: 15,
        pitch: 30
      },
      controller: true,
      layers: [
        new ColumnLayer({
          id: 'column',
          data:
            'https://raw.githubusercontent.com/visgl/deck.gl-data/master/website/hexagons.json',
          diskResolution: 12,
          radius: 250,
          elevationScale: 5000,
          getPosition: d => d.centroid,
          getFillColor: d => [48, 128, d.value * 255, 255],
          getElevation: d => d.value
        })
      ]
    });
  </script>
</html>
